Derek J Maetzold Castle Biosciences Inc (CSTL) insider trading activity

Derek J Maetzold is Pres. & Chief Exec. Officer of CASTLE BIOSCIENCES INC. Currently has a direct ownership of 29,513 shares of CSTL, which is worth approximately $987,209. The most recent transaction as insider was on Dec 26, 2023, when has been sold 5,180 shares (Common Stock) at a price of $21.93 per share, resulting in proceeds of $113,597. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 29.5K

54.12% 3M change

63.92% 12M change

Total Value Held $987,209

DEREK J MAETZOLD Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 26 2023	SELL Open market or private sale	$113,597 $21.93 p/Share	5,180 Reduced 6.37%	76,114 Common Stock
Dec 22 2023	SELL Open market or private sale	$114,719 $21.96 p/Share	5,224 Reduced 6.04%	81,294 Common Stock
Dec 21 2023	SELL Open market or private sale	$235,378 $21.4 p/Share	10,999 Reduced 11.28%	86,518 Common Stock
Dec 20 2023	SELL Open market or private sale	$109,481 $21.05 p/Share	5,201 Reduced 5.06%	97,517 Common Stock
Dec 19 2023	SELL Open market or private sale	$119,183 $20.84 p/Share	5,719 Reduced 5.27%	102,718 Common Stock
Dec 18 2023	SELL Open market or private sale	$115,944 $20.27 p/Share	5,720 Reduced 5.01%	108,437 Common Stock
Dec 15 2023	SELL Open market or private sale	$74,958 $20.21 p/Share	3,709 Reduced 3.15%	114,157 Common Stock

Dec 14 2023	SELL Open market or private sale	$194,754 $21.28 p/Share	9,152 Reduced 7.21%	117,866 Common Stock
Dec 13 2023	SELL Open market or private sale	$73,806 $20.21 p/Share	3,652 Reduced 2.79%	127,018 Common Stock
Dec 12 2023	SELL Open market or private sale	$10,925 $20.01 p/Share	546 Reduced 0.42%	130,670 Common Stock
Dec 10 2023	SELL Payment of exercise price or tax liability	$130,721 $20.17 p/Share	6,481 Reduced 4.71%	131,216 Common Stock
Dec 10 2023	BUY Exercise of conversion of derivative security	-	20,787 Added 13.49%	133,327 Common Stock
Dec 09 2023	SELL Payment of exercise price or tax liability	$231,571 $20.17 p/Share	11,481 Reduced 8.94%	116,910 Common Stock
Dec 09 2023	BUY Exercise of conversion of derivative security	-	33,496 Added 20.69%	128,391 Common Stock
Dec 08 2023	SELL Open market or private sale	$46,672 $20.1 p/Share	2,322 Reduced 2.39%	94,895 Common Stock
Dec 06 2023	SELL Open market or private sale	$960 $20.02 p/Share	48 Reduced 0.05%	97,217 Common Stock
Dec 04 2023	SELL Open market or private sale	$27,690 $20.08 p/Share	1,379 Reduced 1.4%	97,265 Common Stock
Dec 01 2023	SELL Open market or private sale	$64,894 $20.06 p/Share	3,235 Reduced 3.18%	98,644 Common Stock
Nov 30 2023	SELL Open market or private sale	$90,515 $20.07 p/Share	4,510 Reduced 4.24%	101,879 Common Stock
Nov 29 2023	SELL Open market or private sale	$115,606 $20.13 p/Share	5,743 Reduced 5.12%	106,389 Common Stock
Nov 24 2023	SELL Open market or private sale	$5,748 $20.03 p/Share	287 Reduced 0.26%	112,132 Common Stock
Nov 21 2023	SELL Open market or private sale	$15,167 $20.01 p/Share	758 Reduced 0.67%	112,419 Common Stock
Nov 20 2023	SELL Open market or private sale	$38,597 $20.04 p/Share	1,926 Reduced 1.67%	113,177 Common Stock
Sep 01 2023	SELL Open market or private sale	$14,395 $20.05 p/Share	718 Reduced 0.62%	115,103 Common Stock
Aug 31 2023	SELL Open market or private sale	$81,925 $20.06 p/Share	4,084 Reduced 3.41%	115,821 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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